|Disable the Preview Pane. The reason for
this is that the Preview Pane actually opens the email message. An email
may contain a worm, which is triggered by opening the email.
To disable the Preview Pane:
- Click on "View" in the menu.
- Select "Layout..." from the list.
- In the "Preview Pane" section, remove the checkmark next
to "Show preview pane".
- Click "Apply".
- Click "OK".
Note: This will disable the preview pane for all folders.